1 in. x 6 in. x 10 ft. 3 and Better Blue Stain… 16 Jul 2017 . This 1 in. x 6 in. tongue and groove paneling is ideal for paneling, wainscoting and ceilings. This product has a . Accessories (8).is this "beetle kill" pine? or is this pine which has been stained blue? This question is from 1.